The electron microscope uses a beam of electrons to produce images at high magnifications.电子显微镜利用电子束形成高倍影像。The structure of molecules can be seen under an electron microscope.分子的结构可在电子显微镜下观察到.The electron microscope uses...
你或许是个怀疑论者，会把它归因于生活的不公正。You may be a sceptic and put it down to life's inequalities.事后归因的解释a post hoc explanation他的失败可归因于缺乏经验.His failure can be chalked up to lack of experience....
Dig over any ground that is clear of crops and plants.把没种庄稼和植物的土地都深翻一遍。Cut down and compost spent cucumbers, tomatoes and other crops.将已收获过的黄瓜、西红柿和其他作物的秧蔓割下，制成堆肥。Some of the food crops failed. However, the cotton did qui...
这本书是有关于地磁的.This book is about the earth's magnetism.他们发现, 牛在吃草或是休息的时候, 总是面向地磁的南极或是北极.And, when grazing or resting, cows tended to face either magnetic north or south....
一天夜里，有人打来电话，请他去给一位患肺结核的妇女看病。One night he was called to see a woman with tuberculosis.人们常去温泉疗养胜地治疗肺结核.People used to go to special health spring to recover from tuberculosis.她死于肺结核.She died of consumption....